Selbstwählfernverkehr in Bahnfernsprechanlagen
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | German |
| Published: |
Berlin
Verlag von Julius Springer
1938
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| Subjects: |
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | German |
| Published: |
Berlin
Verlag von Julius Springer
1938
|
| Subjects: |